

my_set = {1,2,3,4,5}
print(my_set)

my_set = set([1,2,3,4,5,6])
print(my_set)

my_set.add(7)
print(my_set)
a = my_set
print(a)
my_set.pop()
print(my_set)
my_set.add(9)
print(my_set.pop())
print(my_set)
m_set = {'a','xx',9}
my_set.update(m_set)
print(my_set)

import glob
import os

tet_file = glob.iglob('*.txt')

for file in tet_file:
	print(file)

py_file = glob.iglob('*.py')
print(py_file)
for file in py_file:
	print(os.path.basename(file))
	label = os.path.splitext(os.path.basename(file))[0]
	print(label)






































